document.addEventListener('DOMContentLoaded', function () { let blogNameWidth, menusWidth, searchWidth, $nav let mobileSidebarOpen = false const adjustMenu = (init) => { if (init) { blogNameWidth = document.getElementById('site-name').offsetWidth const $menusEle = document.querySelectorAll('#menus .menus_item') menusWidth = 0 $menusEle.length && $menusEle.forEach(i => { menusWidth += i.offsetWidth }) const $searchEle = document.querySelector('#search-button') searchWidth = $searchEle ? $searchEle.offsetWidth : 0 $nav = document.getElementById('nav') } let hideMenuIndex = '' if (window.innerWidth < 768) hideMenuIndex = true else hideMenuIndex = blogNameWidth + menusWidth + searchWidth > $nav.offsetWidth - 120 if (hideMenuIndex) { $nav.classList.add('hide-menu') } else { $nav.classList.remove('hide-menu') } } // 初始化header const initAdjust = () => { adjustMenu(true) $nav.classList.add('show') } // sidebar menus const sidebarFn = { open: () => { btf.sidebarPaddingR() document.body.style.overflow = 'hidden' btf.animateIn(document.getElementById('menu-mask'), 'to_show 0.5s') document.getElementById('sidebar-menus').classList.add('open') mobileSidebarOpen = true }, close: () => { const $body = document.body $body.style.overflow = '' $body.style.paddingRight = '' btf.animateOut(document.getElementById('menu-mask'), 'to_hide 0.5s') document.getElementById('sidebar-menus').classList.remove('open') mobileSidebarOpen = false } } /** * 首頁top_img底下的箭頭 */ const scrollDownInIndex = () => { const $scrollDownEle = document.getElementById('scroll-down') $scrollDownEle && $scrollDownEle.addEventListener('click', function () { btf.scrollToDest(document.getElementById('content-inner').offsetTop, 300) }) } /** * 代碼 * 只適用於Hexo默認的代碼渲染 */ const addHighlightTool = function () { const highLight = GLOBAL_CONFIG.highlight if (!highLight) return const isHighlightCopy = highLight.highlightCopy const isHighlightLang = highLight.highlightLang const isHighlightShrink = GLOBAL_CONFIG_SITE.isHighlightShrink const highlightHeightLimit = highLight.highlightHeightLimit const isShowTool = isHighlightCopy || isHighlightLang || isHighlightShrink !== undefined const $figureHighlight = highLight.plugin === 'highlighjs' ? document.querySelectorAll('figure.highlight') : document.querySelectorAll('pre[class*="language-"]') if (!((isShowTool || highlightHeightLimit) && $figureHighlight.length)) return const isPrismjs = highLight.plugin === 'prismjs' let highlightShrinkEle = '' let highlightCopyEle = '' const highlightShrinkClass = isHighlightShrink === true ? 'closed' : '' if (isHighlightShrink !== undefined) { highlightShrinkEle = `` } if (isHighlightCopy) { highlightCopyEle = '
' } const copy = (text, ctx) => { if (document.queryCommandSupported && document.queryCommandSupported('copy')) { document.execCommand('copy') if (GLOBAL_CONFIG.Snackbar !== undefined) { btf.snackbarShow(GLOBAL_CONFIG.copy.success) } else { const prevEle = ctx.previousElementSibling prevEle.innerText = GLOBAL_CONFIG.copy.success prevEle.style.opacity = 1 setTimeout(() => { prevEle.style.opacity = 0 }, 700) } } else { if (GLOBAL_CONFIG.Snackbar !== undefined) { btf.snackbarShow(GLOBAL_CONFIG.copy.noSupport) } else { ctx.previousElementSibling.innerText = GLOBAL_CONFIG.copy.noSupport } } } // click events const highlightCopyFn = (ele) => { const $buttonParent = ele.parentNode $buttonParent.classList.add('copy-true') const selection = window.getSelection() const range = document.createRange() if (isPrismjs) range.selectNodeContents($buttonParent.querySelectorAll('pre code')[0]) else range.selectNodeContents($buttonParent.querySelectorAll('table .code pre')[0]) selection.removeAllRanges() selection.addRange(range) const text = selection.toString() copy(text, ele.lastChild) selection.removeAllRanges() $buttonParent.classList.remove('copy-true') } const highlightShrinkFn = (ele) => { const $nextEle = [...ele.parentNode.children].slice(1) ele.firstChild.classList.toggle('closed') if (btf.isHidden($nextEle[$nextEle.length - 1])) { $nextEle.forEach(e => { e.style.display = 'block' }) } else { $nextEle.forEach(e => { e.style.display = 'none' }) } } const highlightToolsFn = function (e) { const $target = e.target.classList if ($target.contains('expand')) highlightShrinkFn(this) else if ($target.contains('copy-button')) highlightCopyFn(this) } const expandCode = function () { this.classList.toggle('expand-done') } function createEle (lang, item, service) { const fragment = document.createDocumentFragment() if (isShowTool) { const hlTools = document.createElement('div') hlTools.className = `highlight-tools ${highlightShrinkClass}` hlTools.innerHTML = highlightShrinkEle + lang + highlightCopyEle hlTools.addEventListener('click', highlightToolsFn) fragment.appendChild(hlTools) } if (highlightHeightLimit && item.offsetHeight > highlightHeightLimit + 30) { const ele = document.createElement('div') ele.className = 'code-expand-btn' ele.innerHTML = '' ele.addEventListener('click', expandCode) fragment.appendChild(ele) } if (service === 'hl') { item.insertBefore(fragment, item.firstChild) } else { item.parentNode.insertBefore(fragment, item) } } if (isHighlightLang) { if (isPrismjs) { $figureHighlight.forEach(function (item) { const langName = item.getAttribute('data-language') ? item.getAttribute('data-language') : 'Code' const highlightLangEle = `
${langName}
` btf.wrap(item, 'figure', { class: 'highlight' }) createEle(highlightLangEle, item) }) } else { $figureHighlight.forEach(function (item) { let langName = item.getAttribute('class').split(' ')[1] if (langName === 'plain' || langName === undefined) langName = 'Code' const highlightLangEle = `
${langName}
` createEle(highlightLangEle, item, 'hl') }) } } else { if (isPrismjs) { $figureHighlight.forEach(function (item) { btf.wrap(item, 'figure', { class: 'highlight' }) createEle('', item) }) } else { $figureHighlight.forEach(function (item) { createEle('', item, 'hl') }) } } } /** * PhotoFigcaption */ function addPhotoFigcaption () { document.querySelectorAll('#article-container img').forEach(function (item) { const parentEle = item.parentNode const altValue = item.title || item.alt if (altValue && !parentEle.parentNode.classList.contains('justified-gallery')) { const ele = document.createElement('div') ele.className = 'img-alt is-center' ele.textContent = altValue parentEle.insertBefore(ele, item.nextSibling) } }) } /** * Lightbox */ const runLightbox = () => { btf.loadLightbox(document.querySelectorAll('#article-container img:not(.no-lightbox)')) } /** * justified-gallery 圖庫排版 */ const runJustifiedGallery = function (ele) { ele.forEach(item => { const $imgList = item.querySelectorAll('img') $imgList.forEach(i => { const dataLazySrc = i.getAttribute('data-lazy-src') if (dataLazySrc) i.src = dataLazySrc btf.wrap(i, 'div', { class: 'fj-gallery-item' }) }) }) if (window.fjGallery) { setTimeout(() => { btf.initJustifiedGallery(ele) }, 100) return } const newEle = document.createElement('link') newEle.rel = 'stylesheet' newEle.href = GLOBAL_CONFIG.source.justifiedGallery.css document.body.appendChild(newEle) getScript(`${GLOBAL_CONFIG.source.justifiedGallery.js}`).then(() => { btf.initJustifiedGallery(ele) }) } /** * 滾動處理 */ const scrollFn = function () { const $rightside = document.getElementById('rightside') const innerHeight = window.innerHeight + 56 // 當滾動條小于 56 的時候 if (document.body.scrollHeight <= innerHeight) { $rightside.style.cssText = 'opacity: 1; transform: translateX(-58px)' return } // find the scroll direction function scrollDirection (currentTop) { const result = currentTop > initTop // true is down & false is up initTop = currentTop return result } let initTop = 0 let isChatShow = true const $header = document.getElementById('page-header') const isChatBtnHide = typeof chatBtnHide === 'function' const isChatBtnShow = typeof chatBtnShow === 'function' window.scrollCollect = () => { return btf.throttle(function (e) { const currentTop = window.scrollY || document.documentElement.scrollTop const isDown = scrollDirection(currentTop) if (currentTop > 56) { if (isDown) { if ($header.classList.contains('nav-visible')) $header.classList.remove('nav-visible') if (isChatBtnShow && isChatShow === true) { chatBtnHide() isChatShow = false } } else { if (!$header.classList.contains('nav-visible')) $header.classList.add('nav-visible') if (isChatBtnHide && isChatShow === false) { chatBtnShow() isChatShow = true } } $header.classList.add('nav-fixed') if (window.getComputedStyle($rightside).getPropertyValue('opacity') === '0') { $rightside.style.cssText = 'opacity: 0.8; transform: translateX(-58px)' } } else { if (currentTop === 0) { $header.classList.remove('nav-fixed', 'nav-visible') } $rightside.style.cssText = "opacity: ''; transform: ''" } if (document.body.scrollHeight <= innerHeight) { $rightside.style.cssText = 'opacity: 0.8; transform: translateX(-58px)' } }, 200)() } window.addEventListener('scroll', scrollCollect) } /** * toc,anchor */ const scrollFnToDo = function () { const isToc = GLOBAL_CONFIG_SITE.isToc const isAnchor = GLOBAL_CONFIG.isAnchor const $article = document.getElementById('article-container') if (!($article && (isToc || isAnchor))) return let $tocLink, $cardToc, scrollPercent, autoScrollToc, isExpand if (isToc) { const $cardTocLayout = document.getElementById('card-toc') $cardToc = $cardTocLayout.getElementsByClassName('toc-content')[0] $tocLink = $cardToc.querySelectorAll('.toc-link') const $tocPercentage = $cardTocLayout.querySelector('.toc-percentage') isExpand = $cardToc.classList.contains('is-expand') scrollPercent = currentTop => { const docHeight = $article.clientHeight const winHeight = document.documentElement.clientHeight const headerHeight = $article.offsetTop const contentMath = (docHeight > winHeight) ? (docHeight - winHeight) : (document.documentElement.scrollHeight - winHeight) const scrollPercent = (currentTop - headerHeight) / (contentMath) const scrollPercentRounded = Math.round(scrollPercent * 100) const percentage = (scrollPercentRounded > 100) ? 100 : (scrollPercentRounded <= 0) ? 0 : scrollPercentRounded $tocPercentage.textContent = percentage } window.mobileToc = { open: () => { $cardTocLayout.style.cssText = 'animation: toc-open .3s; opacity: 1; right: 55px' }, close: () => { $cardTocLayout.style.animation = 'toc-close .2s' setTimeout(() => { $cardTocLayout.style.cssText = "opacity:''; animation: ''; right: ''" }, 100) } } // toc元素點擊 $cardToc.addEventListener('click', e => { e.preventDefault() const target = e.target.classList if (target.contains('toc-content')) return const $target = target.contains('toc-link') ? e.target : e.target.parentElement btf.scrollToDest(btf.getEleTop(document.getElementById(decodeURI($target.getAttribute('href')).replace('#', ''))), 300) if (window.innerWidth < 900) { window.mobileToc.close() } }) autoScrollToc = item => { const activePosition = item.getBoundingClientRect().top const sidebarScrollTop = $cardToc.scrollTop if (activePosition > (document.documentElement.clientHeight - 100)) { $cardToc.scrollTop = sidebarScrollTop + 150 } if (activePosition < 100) { $cardToc.scrollTop = sidebarScrollTop - 150 } } } // find head position & add active class const list = $article.querySelectorAll('h1,h2,h3,h4,h5,h6') let detectItem = '' const findHeadPosition = function (top) { if (top === 0) { return false } let currentId = '' let currentIndex = '' list.forEach(function (ele, index) { if (top > btf.getEleTop(ele) - 80) { const id = ele.id currentId = id ? '#' + encodeURI(id) : '' currentIndex = index } }) if (detectItem === currentIndex) return if (isAnchor) btf.updateAnchor(currentId) detectItem = currentIndex if (isToc) { $cardToc.querySelectorAll('.active').forEach(i => { i.classList.remove('active') }) if (currentId === '') { return } const currentActive = $tocLink[currentIndex] currentActive.classList.add('active') setTimeout(() => { autoScrollToc(currentActive) }, 0) if (isExpand) return let parent = currentActive.parentNode for (; !parent.matches('.toc'); parent = parent.parentNode) { if (parent.matches('li')) parent.classList.add('active') } } } // main of scroll window.tocScrollFn = function () { return btf.throttle(function () { const currentTop = window.scrollY || document.documentElement.scrollTop isToc && scrollPercent(currentTop) findHeadPosition(currentTop) }, 100)() } window.addEventListener('scroll', tocScrollFn) } /** * Rightside */ const rightSideFn = { switchReadMode: () => { // read-mode const $body = document.body $body.classList.add('read-mode') const newEle = document.createElement('button') newEle.type = 'button' newEle.className = 'fas fa-sign-out-alt exit-readmode' $body.appendChild(newEle) function clickFn () { $body.classList.remove('read-mode') newEle.remove() newEle.removeEventListener('click', clickFn) } newEle.addEventListener('click', clickFn) }, switchDarkMode: () => { // Switch Between Light And Dark Mode const nowMode = document.documentElement.getAttribute('data-theme') === 'dark' ? 'dark' : 'light' if (nowMode === 'light') { activateDarkMode() saveToLocal.set('theme', 'dark', 2) GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow(GLOBAL_CONFIG.Snackbar.day_to_night) } else { activateLightMode() saveToLocal.set('theme', 'light', 2) GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow(GLOBAL_CONFIG.Snackbar.night_to_day) } // handle some cases typeof utterancesTheme === 'function' && utterancesTheme() typeof changeGiscusTheme === 'function' && changeGiscusTheme() typeof FB === 'object' && window.loadFBComment() typeof runMermaid === 'function' && window.runMermaid() }, showOrHideBtn: (e) => { // rightside 點擊設置 按鈕 展開 const rightsideHideClassList = document.getElementById('rightside-config-hide').classList rightsideHideClassList.toggle('show') if (e.classList.contains('show')) { rightsideHideClassList.add('status') setTimeout(() => { rightsideHideClassList.remove('status') }, 300) } e.classList.toggle('show') }, scrollToTop: () => { // Back to top btf.scrollToDest(0, 500) }, hideAsideBtn: () => { // Hide aside const $htmlDom = document.documentElement.classList $htmlDom.contains('hide-aside') ? saveToLocal.set('aside-status', 'show', 2) : saveToLocal.set('aside-status', 'hide', 2) $htmlDom.toggle('hide-aside') }, runMobileToc: () => { if (window.getComputedStyle(document.getElementById('card-toc')).getPropertyValue('opacity') === '0') window.mobileToc.open() else window.mobileToc.close() } } document.getElementById('rightside').addEventListener('click', function (e) { const $target = e.target.id ? e.target : e.target.parentNode switch ($target.id) { case 'go-up': rightSideFn.scrollToTop() break case 'rightside_config': rightSideFn.showOrHideBtn($target) break case 'mobile-toc-button': rightSideFn.runMobileToc() break case 'readmode': rightSideFn.switchReadMode() break case 'darkmode': rightSideFn.switchDarkMode() break case 'hide-aside-btn': rightSideFn.hideAsideBtn() break default: break } }) /** * menu * 側邊欄sub-menu 展開/收縮 */ const clickFnOfSubMenu = () => { document.querySelectorAll('#sidebar-menus .site-page.group').forEach(function (item) { item.addEventListener('click', function () { this.classList.toggle('hide') }) }) } /** * 複製時加上版權信息 */ const addCopyright = () => { const copyright = GLOBAL_CONFIG.copyright document.body.oncopy = (e) => { e.preventDefault() let textFont; const copyFont = window.getSelection(0).toString() if (copyFont.length > copyright.limitCount) { textFont = copyFont + '\n' + '\n' + '\n' + copyright.languages.author + '\n' + copyright.languages.link + window.location.href + '\n' + copyright.languages.source + '\n' + copyright.languages.info } else { textFont = copyFont } if (e.clipboardData) { return e.clipboardData.setData('text', textFont) } else { return window.clipboardData.setData('text', textFont) } } } /** * 網頁運行時間 */ const addRuntime = () => { const $runtimeCount = document.getElementById('runtimeshow') if ($runtimeCount) { const publishDate = $runtimeCount.getAttribute('data-publishDate') $runtimeCount.innerText = btf.diffDate(publishDate) + ' ' + GLOBAL_CONFIG.runtime } } /** * 最後一次更新時間 */ const addLastPushDate = () => { const $lastPushDateItem = document.getElementById('last-push-date') if ($lastPushDateItem) { const lastPushDate = $lastPushDateItem.getAttribute('data-lastPushDate') $lastPushDateItem.innerText = btf.diffDate(lastPushDate, true) } } /** * table overflow */ const addTableWrap = () => { const $table = document.querySelectorAll('#article-container :not(.highlight) > table, #article-container > table') if ($table.length) { $table.forEach(item => { btf.wrap(item, 'div', { class: 'table-wrap' }) }) } } /** * tag-hide */ const clickFnOfTagHide = function () { const $hideInline = document.querySelectorAll('#article-container .hide-button') if ($hideInline.length) { $hideInline.forEach(function (item) { item.addEventListener('click', function (e) { const $this = this $this.classList.add('open') const $fjGallery = $this.nextElementSibling.querySelectorAll('.fj-gallery') $fjGallery.length && btf.initJustifiedGallery($fjGallery) }) }) } } const tabsFn = { clickFnOfTabs: function () { document.querySelectorAll('#article-container .tab > button').forEach(function (item) { item.addEventListener('click', function (e) { const $this = this const $tabItem = $this.parentNode if (!$tabItem.classList.contains('active')) { const $tabContent = $tabItem.parentNode.nextElementSibling const $siblings = btf.siblings($tabItem, '.active')[0] $siblings && $siblings.classList.remove('active') $tabItem.classList.add('active') const tabId = $this.getAttribute('data-href').replace('#', '') const childList = [...$tabContent.children] childList.forEach(item => { if (item.id === tabId) item.classList.add('active') else item.classList.remove('active') }) const $isTabJustifiedGallery = $tabContent.querySelectorAll(`#${tabId} .fj-gallery`) if ($isTabJustifiedGallery.length > 0) { btf.initJustifiedGallery($isTabJustifiedGallery) } } }) }) }, backToTop: () => { document.querySelectorAll('#article-container .tabs .tab-to-top').forEach(function (item) { item.addEventListener('click', function () { btf.scrollToDest(btf.getEleTop(btf.getParents(this, '.tabs')), 300) }) }) } } const toggleCardCategory = function () { const $cardCategory = document.querySelectorAll('#aside-cat-list .card-category-list-item.parent i') if ($cardCategory.length) { $cardCategory.forEach(function (item) { item.addEventListener('click', function (e) { e.preventDefault() const $this = this $this.classList.toggle('expand') const $parentEle = $this.parentNode.nextElementSibling if (btf.isHidden($parentEle)) { $parentEle.style.display = 'block' } else { $parentEle.style.display = 'none' } }) }) } } const switchComments = function () { let switchDone = false const $switchBtn = document.querySelector('#comment-switch > .switch-btn') $switchBtn && $switchBtn.addEventListener('click', function () { this.classList.toggle('move') document.querySelectorAll('#post-comment > .comment-wrap > div').forEach(function (item) { if (btf.isHidden(item)) { item.style.cssText = 'display: block;animation: tabshow .5s' } else { item.style.cssText = "display: none;animation: ''" } }) if (!switchDone && typeof loadOtherComment === 'function') { switchDone = true loadOtherComment() } }) } const addPostOutdateNotice = function () { const data = GLOBAL_CONFIG.noticeOutdate const diffDay = btf.diffDate(GLOBAL_CONFIG_SITE.postUpdate) if (diffDay >= data.limitDay) { const ele = document.createElement('div') ele.className = 'post-outdate-notice' ele.textContent = data.messagePrev + ' ' + diffDay + ' ' + data.messageNext const $targetEle = document.getElementById('article-container') if (data.position === 'top') { $targetEle.insertBefore(ele, $targetEle.firstChild) } else { $targetEle.appendChild(ele) } } } const lazyloadImg = () => { window.lazyLoadInstance = new LazyLoad({ elements_selector: 'img', threshold: 0, data_src: 'lazy-src' }) } const relativeDate = function (selector) { selector.forEach(item => { const $this = item const timeVal = $this.getAttribute('datetime') $this.innerText = btf.diffDate(timeVal, true) $this.style.display = 'inline' }) } const unRefreshFn = function () { window.addEventListener('resize', () => { adjustMenu(false) btf.isHidden(document.getElementById('toggle-menu')) && mobileSidebarOpen && sidebarFn.close() }) document.getElementById('menu-mask').addEventListener('click', e => { sidebarFn.close() }) clickFnOfSubMenu() GLOBAL_CONFIG.islazyload && lazyloadImg() GLOBAL_CONFIG.copyright !== undefined && addCopyright() } window.refreshFn = function () { initAdjust() if (GLOBAL_CONFIG_SITE.isPost) { GLOBAL_CONFIG.noticeOutdate !== undefined && addPostOutdateNotice() GLOBAL_CONFIG.relativeDate.post && relativeDate(document.querySelectorAll('#post-meta time')) } else { GLOBAL_CONFIG.relativeDate.homepage && relativeDate(document.querySelectorAll('#recent-posts time')) GLOBAL_CONFIG.runtime && addRuntime() addLastPushDate() toggleCardCategory() } scrollFnToDo() GLOBAL_CONFIG_SITE.isHome && scrollDownInIndex() addHighlightTool() GLOBAL_CONFIG.isPhotoFigcaption && addPhotoFigcaption() scrollFn() const $jgEle = document.querySelectorAll('#article-container .fj-gallery') $jgEle.length && runJustifiedGallery($jgEle) runLightbox() addTableWrap() clickFnOfTagHide() tabsFn.clickFnOfTabs() tabsFn.backToTop() switchComments() document.getElementById('toggle-menu').addEventListener('click', () => { sidebarFn.open() }) } refreshFn() unRefreshFn() })